Thursday, 31 July 2014

Astronomy Scrapbook Thursday 31st July 2014

On July 31st the U.S Ranger 7 space craft crashed into the Moon. The unmanned spacecraft was designed to crash into the Moon taking photographs of the Moon`s surface until the moment of impact. 


A total of 4,316 pictures were sent back, Ranger 7 hit the Moon at 5,850 mph. It was the first successful mission in the Ranger series. The previous 6 had all failed.

Thursday, 17 April 2014

Astronomy Scrapbook Friday 18th April 2014

On This Day
18th April 1955 death of Albert Einstein



It is difficult to write a brief about Albert Einstein so I shall just say General Relativity!

Wednesday, 16 April 2014

Astronomy Scrapbook Thursday 17th April 23014

Eye in the Sky
April 17th Moon close to Saturn



The almost full Moon is 2.5 degrees from Saturn this morning, both objects will be visible from around 22.30 BST on April 16th.


On This Day
17th April 1967 Launch of Surveyor 3



The third of the series of Moon lander craft, Surveyor 3 would later be visited  in 1969 when the astronauts Alan Bean and Charles Conrad from Apollo 12 landed close by and several components were retrieved and bought back to Earth to study long term space exposure effects.  


Sunday, 13 April 2014

Astronomy Scrapbook Monday 14th April 2014

Eye in the Sky
14th April 2014 Full Moon



The full moon tonight is called the Egg Moon, this was the time of year when Chickens, Ducks and Geese stared to lay more eggs as the weather became warmer and the nights become shorter.

On This Day
14th April 1970 Explosion on Apollo 13



The ill fated Apollo 13 mission suffered an explosion due to an electrical fault. The World held its breadth and  watched  NASA safely bring the 3 astronauts back to Earth.

Saturday, 12 April 2014

Astronomy Scrapbook Sunday 13th April 2014

On This Day
13th April 1941 death of Annie Jump Cannon


An American astronomer, Annie Jump Cannon worked with Edward Pickering at Harvard cataloging stellar spectra . Although being nearly deaf, she was responsible for dividing the stars into stellar classes, which today we know as OBAFGKM on the HR Diagram. In addition she discovered 300 variable stars and 5 novae.

Friday, 11 April 2014

Astronomy Scrapbook Saturday 12th April 2014

On This Day (1)
12th April 1817 death of Charles Messier



The French comet hunter who published his list of nebulae and clusters to avoid confusing them with comets. sadly most of his comets are forgotten but his Messier catalogue is famous today.

On This Day (2)
12th April 1851 birth of Edward Walter Maunder



An English astronomer best known for his work studying the Sun and the solar magnetic cycle that led to his identification of the period of no sunspots from 1645 to 1715 that is now known as the "Little Ice Age" or the  Maunder Minimum.

On This Day (3)
12th April 1914 birth Adrian Blaauw



This Dutch astronomer was fundamental in the founding of the European Southern Observatory in 1962.

On This Day (4)
12th April 1961 Yuri Gagarin first man in space.



The first person in space was the  Russian cosmonaut Yuri Gagarin in his Vostok space craft.

Wednesday, 9 April 2014

Astronomy Scrapbook Thursday 10th April 2014

On This Day
10th April 1813 death of Joseph Louis Lagrange



Possibly the greatest mathematician of the 18th century Joseph Lagrange is best known for the Langrangian points, these are the 5 locations around a planet`s orbit where the gravitational forces and the orbital motion of the space craft, Sun and planets create a stable location from which to make observations.